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$412+ Cheap flights from Seattle (SEA) to London City (LCY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LCY
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
1 adult, Economy
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Cheap flight deals from Seattle to London City

Cheapest flights from Seattle to London City
Explore the most affordable flight options available from Seattle to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2026.

This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:35 pm
SEA
-
LCY
1 stop15h 05m
Delta
Wed 4/229:20 am
LCY
-
SEA
1 stop15h 10m
Delta
Deal found 3/16$784
This Cheapflightsfares deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:30 am
SEA
-
LCY
2 stops22h 55m
SWISS
Wed 9/29:15 am
LCY
-
SEA
2 stops17h 17m
SWISS
Deal found 3/16$785
This Virgin Atlantic deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:40 pm
SEA
-
LCY
1 stop15h 40m
Virgin Atlantic
Tue 11/108:40 am
LCY
-
SEA
2 stops21h 25m
Virgin Atlantic
Deal found 3/17$791
This Cheapflightsfares deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:35 pm
SEA
-
LCY
1 stop16h 55m
SWISS
Thu 9/249:15 am
LCY
-
SEA
2 stops17h 17m
SWISS
Deal found 3/16$792
This Virgin Atlantic deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:35 pm
SEA
-
LCY
1 stop18h 10m
Virgin Atlantic
Tue 4/288:25 am
LCY
-
SEA
2 stops20h 00m
Virgin Atlantic
Deal found 3/16$794
This KAYAK deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:35 pm
SEA
-
LCY
1 stop18h 05m
SWISS
Tue 8/257:15 pm
LCY
-
SEA
2 stops31h 44m
SWISS
Deal found 3/16$796
This KAYAK deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:01 am
SEA
-
LCY
2 stops21h 34m
SWISS
Thu 8/279:15 am
LCY
-
SEA
2 stops21h 27m
SWISS
Deal found 3/16$800
This Cheapflightsfares deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:10 pm
SEA
-
LCY
1 stop19h 45m
Lufthansa
Thu 5/79:15 am
LCY
-
SEA
2 stops21h 25m
Lufthansa
Deal found 3/17$804
This lastminute.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:35 pm
SEA
-
LCY
1 stop15h 45m
Virgin Atlantic
Tue 5/59:20 am
LCY
-
SEA
1 stop15h 10m
Virgin Atlantic
Deal found 3/18$816
This KAYAK deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:10 am
SEA
-
LCY
2 stops25h 45m
Lufthansa
Thu 9/109:15 am
LCY
-
SEA
2 stops18h 48m
Lufthansa
Deal found 3/16$825
This Virgin Atlantic deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:35 pm
SEA
-
LCY
1 stop15h 45m
Virgin Atlantic
Wed 5/65:50 pm
LCY
-
SEA
1 stop25h 52m
Virgin Atlantic
Deal found 3/17$831

Find flight deals from Seattle to London City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to London City (LCY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 21, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$784
(Delta)

One-way from

$412
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$689
Provider with most accurate pricing for Seattle/Tacoma Intl-London City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London City flights.
Search Deals
From Seattle/Tacoma Intl to London City
Search Deals
One-way flight from Seattle/Tacoma Intl to London City
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to London City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 21, 2026.
Use the filters below to find and compare flights from Seattle to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 4/13

5:35 pm-7:45 pm

1 stop18h 10m

London City

Tue 4/28

5:50 pm-11:40 am

1 stop25h 50m

$784

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 3/30

1:45 pm-9:30 am

1 stop11h 45m

London City

Wed 4/8

10:00 am-4:30 pm

1 stop14h 30m

$884

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Mon 3/30

7:00 am-12:35 pm

2 stops21h 35m

London City

Wed 4/15

9:15 am-10:42 pm

2 stops21h 27m

$900

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Fri 4/17

1:45 pm-9:30 am

1 stop11h 45m

London City

Fri 4/24

9:20 am-4:30 pm

1 stop15h 10m

$932
Quickest round-trip

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 4/29

1:50 pm-9:30 am

1 stop11h 40m

London City

Tue 5/12

10:00 am-4:30 pm

1 stop14h 30m

$934

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 4/8

1:45 pm-9:30 am

1 stop11h 45m

London City

Wed 4/22

9:20 am-4:30 pm

1 stop15h 10m

$983

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Tue 4/7

5:35 pm-4:40 pm

1 stop15h 05m

London City

Sun 4/12

1:45 pm-11:45 am

1 stop30h 00m

$984

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Thu 4/16

1:45 pm-6:30 pm

1 stop20h 45m

London City

Sat 5/2

8:25 am-8:25 pm

2 stops20h 00m

$991

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 4/8

10:48 am-12:35 pm

2 stops17h 47m

London City

Thu 4/16

9:15 am-10:42 pm

2 stops21h 27m

$999

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Wed 5/13

2:10 pm-5:55 pm

1 stop19h 45m

London City

Sun 5/24

6:30 pm-12:20 pm

1 stop25h 50m

$1,000

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Seattle to London City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to London City in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-London City Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-London City Airport flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from Seattle-London City Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-London City Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-London City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing London City

Get insights into the airlines that provide service to London City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London City. Reviews last updated March 21, 2026.
Get a feel of what it's like to fly with Scandinavian Airlines from Seattle to London City Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.3
Good
1,720 reviews

Entertainment

6.7

Food

6.7

Crew

8.0

Comfort

7.3

Boarding

7.6

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SFO - CPH

It was very bad, my baggage didn’t arrive resulting in deep loss of money. My next flight to Zurich had to be cancelled, my hotel booking also had to be cancelled. I then had to book flight at Frankfurt airport to get my luggage. I won’t fly this airlines again unless there is no other choice. I highly won’t recommend it also
Scandinavian Airlines
7.3
Good
1,720 reviews
Scandinavian Airlines
7.3
Good
1,720 reviews

Entertainment

6.7

Food

6.7

Crew

8.0

Comfort

7.3

Boarding

7.6

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SFO - CPH

It was very bad, my baggage didn’t arrive resulting in deep loss of money. My next flight to Zurich had to be cancelled, my hotel booking also had to be cancelled. I then had to book flight at Frankfurt airport to get my luggage. I won’t fly this airlines again unless there is no other choice. I highly won’t recommend it also

Related info for your journey

Find useful and relevant information for your journey from Seattle to London City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to London City?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to London City from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to London City should be relatively easy as there are 0 daily outbound flights to London City from 1 airline.

  • How long is the flight from Seattle to London City Airport?

    A quick flight from Seattle to London City Airport can take about 11h 45m. Virgin Atlantic provides one of the quickest options available for as low as $884. Seattle and London City Airport are separated by a distance of 4794 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Seattle to London City Airport round-trip?

    According to our current data, Scandinavian Airlines ($962), offers the cheapest pricing from Seattle to London City Airport.

  • Can I find deals for flights from Seattle to London City that include hotel bookings?

    Yes. In addition to deals on Seattle to London City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to London City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to London City.

  • Can I find deals for business class flights from Seattle to London City?

    Yes. Cheapflights offers flight deals from Seattle to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Seattle to London City

Discover the top airline that operate flights from Seattle to London City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$962Average$1,000FlexibilityNo cancel feeOn-time77%

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